diff options
Diffstat (limited to 'bgpd/bgp_notification.c')
| -rw-r--r-- | bgpd/bgp_notification.c | 36 |
1 files changed, 27 insertions, 9 deletions
diff --git a/bgpd/bgp_notification.c b/bgpd/bgp_notification.c index 49165626..3f6ecad9 100644 --- a/bgpd/bgp_notification.c +++ b/bgpd/bgp_notification.c @@ -91,6 +91,11 @@ bgp_notify_dup(bgp_notify notification) /*------------------------------------------------------------------------------ * Set notification (if any) + * + * Frees any existing notification at the destination. + * + * NB: copies the source pointer -- so must be clear about responsibility + * for the notification structure. */ extern void bgp_notify_set(bgp_notify* p_dst, bgp_notify src) @@ -100,7 +105,9 @@ bgp_notify_set(bgp_notify* p_dst, bgp_notify src) } ; /*------------------------------------------------------------------------------ - * Set notification (if any) + * Set notification (if any) to a *copy* of the source. + * + * Frees any existing notification at the destination. */ extern void bgp_notify_set_dup(bgp_notify* p_dst, bgp_notify src) @@ -109,19 +116,30 @@ bgp_notify_set_dup(bgp_notify* p_dst, bgp_notify src) } ; /*------------------------------------------------------------------------------ - * Free notification structure + * Set notification (if any) and set source pointer NULL * - * Does nothing if there is no structure. + * Frees any existing notification at the destination. * - * Returns: NULL + * NB: responsibility for the notification structure passes to the destination. */ -extern bgp_notify -bgp_notify_free(bgp_notify notification) +extern void +bgp_notify_set_mov(bgp_notify* p_dst, bgp_notify* p_src) { - if (notification != NULL) - XFREE(MTYPE_BGP_NOTIFY, notification) ; + bgp_notify_free(*p_dst) ; + *p_dst = *p_src ; + *p_src = NULL ; +} ; - return NULL ; +/*------------------------------------------------------------------------------ + * Free notification structure + * + * Does nothing if there is no structure. + */ +extern void +bgp_notify_free(bgp_notify* p_notification) +{ + if (*p_notification != NULL) + XFREE(MTYPE_BGP_NOTIFY, *p_notification) ; /* sets *p_notification NULL */ } ; /*============================================================================== |